#598DD2
Closest named color: Dark Sky Blue (#448EE4). oklch(63.7% 0.118 255.9), rgb(89, 141, 210).
Aa
Black text reads best on this color (6.16:1).
About this color
#598DD2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.118 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.031 away. Black text reads best on it, at 6.16:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #598DD2 |
| RGB | rgb(89, 141, 210) |
| HSL | hsl(214, 57%, 59%) |
| OKLCH | oklch(63.7% 0.118 255.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #598DD2 | 3.40:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #598DD2 | 6.16:1 | AA | Lc 42.7 | Non-text elements, placeholder text |
| #598DD2 text on white | 3.40:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #598DD2 text on black | 6.16:1 | AA | Lc -40.3 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBEF
oklch(88.6% 0.032 255.6)
-
Step 300
300
#A9C3E6
oklch(81% 0.057 255.9)
-
Step 400
400
#7AA3DA
oklch(70.7% 0.093 256)
-
Step 500
500 (this color)
#598DD2
oklch(63.7% 0.118 255.9)
-
Step 600
600
#3C74BD
oklch(55.7% 0.128 256)
-
Step 700
700
#2E61A3
oklch(49.2% 0.119 256)
-
Step 800
800
#274F84
oklch(42.6% 0.099 256.3)
-
Step 900
900
#24426A
oklch(37.6% 0.078 256.2)
-
Step 950
950
#16273E
oklch(27% 0.049 256.3)
#598DD2 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7091D5 | 0.030 |
| Deuteranopia (no green cones) | #6186D1 | 0.019 |
| Tritanopia (no blue cones) | #009DA6 | 0.103 |
| Achromatopsia (no color) | #8B8B8B | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #598DD2
#598DD2
oklch(63.7% 0.118 255.9)
- #B48029
#B48029
oklch(63.7% 0.118 75.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #598DD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.031
- Faded Blue #658CBB ΔE 0.036
- Soft Blue #6488EA ΔE 0.043
- Chefchaouen Blue #4895EF ΔE 0.045
- Cornflower Blue #6495ED ΔE 0.045
- Cool Blue #4984B8 ΔE 0.048
- Water Blue #0E87CC ΔE 0.054
- Dusty Blue #5A86AD ΔE 0.056
Use #598DD2 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.