#598AEB
Closest named color: Soft Blue (#6488EA). oklch(64.5% 0.155 262.6), rgb(89, 138, 235).
Aa
Black text reads best on this color (6.25:1).
About this color
#598AEB is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.155 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.012 away. Black text reads best on it, at 6.25:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.25:1 |
| White text | 3.35:1 |
Values
| HEX | #598AEB |
| RGB | rgb(89, 138, 235) |
| HSL | hsl(220, 78%, 64%) |
| OKLCH | oklch(64.5% 0.155 262.6) |
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 #598AEB | 3.35:1 | AA large text | Lc -66.2 | Content text, not long reading |
| Black text on #598AEB | 6.25:1 | AA | Lc 43.3 | Non-text elements, placeholder text |
| #598AEB text on white | 3.35:1 | AA large text | Lc 60.7 | Content text, not long reading |
| #598AEB text on black | 6.25:1 | AA | Lc -41.0 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF6
oklch(88.5% 0.042 261.7)
-
Step 300
300
#A7C1F2
oklch(80.9% 0.075 262.9)
-
Step 400
400
#78A0EC
oklch(70.8% 0.12 262.5)
-
Step 500
500 (this color)
#598AEB
oklch(64.5% 0.155 262.6)
-
Step 600
600
#3A6DD4
oklch(55.6% 0.168 262.5)
-
Step 700
700
#2D5AB8
oklch(49% 0.157 262.8)
-
Step 800
800
#264A95
oklch(42.6% 0.13 262.8)
-
Step 900
900
#233F77
oklch(37.7% 0.102 262.6)
-
Step 950
950
#152545
oklch(26.9% 0.064 262.8)
#598AEB 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) | #5E93EF | 0.025 |
| Deuteranopia (no green cones) | #4986E9 | 0.020 |
| Tritanopia (no blue cones) | #00A0AF | 0.131 |
| Achromatopsia (no color) | #8C8C8C | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #598AEB
#598AEB
oklch(64.5% 0.155 262.6)
- #B58400
#B58400
oklch(64.4% 0.133 82.3)
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 #598AEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.012
- Dark Sky Blue #448EE4 ΔE 0.024
- Chefchaouen Blue #4895EF ΔE 0.030
- Cornflower Blue #6495ED ΔE 0.033
- Dodger Blue #1E90FF ΔE 0.046
- Cornflower #6A79F7 ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.065
- Perrywinkle #8F8CE7 ΔE 0.068
Use #598AEB 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.