#598FF4
Closest named color: Soft Blue (#6488EA). oklch(66.1% 0.161 261.8), rgb(89, 143, 244).
Aa
Black text reads best on this color (6.66:1).
About this color
#598FF4 is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.161 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.022 away. Black text reads best on it, at 6.66:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.66:1 |
| White text | 3.15:1 |
Values
| HEX | #598FF4 |
| RGB | rgb(89, 143, 244) |
| HSL | hsl(219, 88%, 65%) |
| OKLCH | oklch(66.1% 0.161 261.8) |
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 #598FF4 | 3.15:1 | AA large text | Lc -63.8 | Content text, not long reading |
| Black text on #598FF4 | 6.66:1 | AA | Lc 45.7 | Large or bold text, headings |
| #598FF4 text on white | 3.15:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #598FF4 text on black | 6.66:1 | AA | Lc -43.4 | 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
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#C9DAF7
oklch(88.5% 0.044 261.2)
-
Step 300
300
#A5C1F4
oklch(80.8% 0.079 262.3)
-
Step 400
400
#74A0EF
oklch(70.7% 0.126 261.5)
-
Step 500
500 (this color)
#598FF4
oklch(66.1% 0.161 261.8)
-
Step 600
600
#356DD8
oklch(55.6% 0.175 261.8)
-
Step 700
700
#285ABB
oklch(49.1% 0.163 261.9)
-
Step 800
800
#224A98
oklch(42.7% 0.136 262)
-
Step 900
900
#203F79
oklch(37.8% 0.106 261.6)
-
Step 950
950
#132547
oklch(26.9% 0.068 261.9)
#598FF4 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) | #6199F8 | 0.029 |
| Deuteranopia (no green cones) | #498AF2 | 0.021 |
| Tritanopia (no blue cones) | #00A6B6 | 0.134 |
| Achromatopsia (no color) | #919191 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #598FF4
#598FF4
oklch(66.1% 0.161 261.8)
- #BC8800
#BC8800
oklch(66% 0.136 81.4)
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 #598FF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.022
- Chefchaouen Blue #4895EF ΔE 0.022
- Cornflower Blue #6495ED ΔE 0.024
- Dark Sky Blue #448EE4 ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.040
- Cornflower #6A79F7 ΔE 0.056
- Lavender Blue #8B88F8 ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.066
Use #598FF4 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.