#5898FB
Closest named color: Cornflower Blue (#6495ED). oklch(68.3% 0.161 258.9), rgb(88, 152, 251).
Aa
Black text reads best on this color (7.29:1).
About this color
#5898FB is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.161 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.022 away. Black text reads best on it, at 7.29:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.29:1 |
| White text | 2.87:1 |
Values
| HEX | #5898FB |
| RGB | rgb(88, 152, 251) |
| HSL | hsl(216, 95%, 66%) |
| OKLCH | oklch(68.3% 0.161 258.9) |
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 #5898FB | 2.87:1 | Fails | Lc -60.0 | Content text, not long reading |
| Black text on #5898FB | 7.29:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #5898FB text on white | 2.87:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #5898FB text on black | 7.29:1 | AAA | Lc -47.1 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DEEBFE
oklch(93.6% 0.029 257.8)
-
Step 200
200
#C3DBFF
oklch(88.5% 0.056 258.4)
-
Step 300
300
#9BC2FF
oklch(80.8% 0.097 259.2)
-
Step 400
400 (this color)
#5898FB
oklch(68.3% 0.161 258.9)
-
Step 500
500
#3284FF
oklch(63.1% 0.199 258.9)
-
Step 600
600
#006AED
oklch(55.6% 0.214 258.9)
-
Step 700
700
#0059C9
oklch(49.2% 0.189 258.8)
-
Step 800
800
#0048A6
oklch(42.6% 0.164 258.9)
-
Step 900
900
#093D87
oklch(37.7% 0.135 258.9)
-
Step 950
950
#08254F
oklch(27.1% 0.085 258.3)
#5898FB 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) | #6BA0FF | 0.030 |
| Deuteranopia (no green cones) | #5391F9 | 0.020 |
| Tritanopia (no blue cones) | #00AFBD | 0.132 |
| Achromatopsia (no color) | #989898 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5898FB
#5898FB
oklch(68.3% 0.161 258.9)
- #C88D00
#C88D00
oklch(68.4% 0.142 78.9)
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 #5898FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.022
- Chefchaouen Blue #4895EF ΔE 0.025
- Soft Blue #6488EA ΔE 0.044
- Dodger Blue #1E90FF ΔE 0.046
- Dark Sky Blue #448EE4 ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.063
- Lavender Blue #8B88F8 ΔE 0.066
- Perrywinkle #8F8CE7 ΔE 0.069
Use #5898FB 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.