#598EC7
Closest named color: Faded Blue (#658CBB). oklch(63.4% 0.103 251.4), rgb(89, 142, 199).
Aa
Black text reads best on this color (6.11:1).
About this color
#598EC7 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.103 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.020 away. Black text reads best on it, at 6.11:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #598EC7 |
| RGB | rgb(89, 142, 199) |
| HSL | hsl(211, 50%, 56%) |
| OKLCH | oklch(63.4% 0.103 251.4) |
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 #598EC7 | 3.43:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #598EC7 | 6.11:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #598EC7 text on white | 3.43:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #598EC7 text on black | 6.11:1 | AA | Lc -40.0 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBEC
oklch(88.5% 0.029 251.5)
-
Step 300
300
#A9C4E1
oklch(81% 0.051 250.3)
-
Step 400
400
#7BA4D2
oklch(70.6% 0.081 251.8)
-
Step 500
500 (this color)
#598EC7
oklch(63.4% 0.103 251.4)
-
Step 600
600
#3C76B3
oklch(55.5% 0.113 251.6)
-
Step 700
700
#2E639A
oklch(49.1% 0.105 251.5)
-
Step 800
800
#27517D
oklch(42.7% 0.087 251.5)
-
Step 900
900
#254364
oklch(37.6% 0.067 252.1)
-
Step 950
950
#16283B
oklch(27.1% 0.043 250.9)
#598EC7 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) | #7790CA | 0.036 |
| Deuteranopia (no green cones) | #6886C6 | 0.025 |
| Tritanopia (no blue cones) | #089BA2 | 0.090 |
| Achromatopsia (no color) | #8A8A8A | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #598EC7
#598EC7
oklch(63.4% 0.103 251.4)
- #B17F3D
#B17F3D
oklch(63.3% 0.103 71.5)
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 #598EC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.020
- Cool Blue #4984B8 ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.041
- Off Blue #5684AE ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.046
- Steel Blue #4682B4 ΔE 0.047
- Silver Lake Blue #778DA9 ΔE 0.054
- Water Blue #0E87CC ΔE 0.054
Use #598EC7 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.