#087ADB
Closest named color: Cerulean Blue (#056EEE). oklch(57.8% 0.172 252.5), rgb(8, 122, 219).
Aa
Black text reads best on this color (4.81:1).
About this color
#087ADB is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.172 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.044 away. Black text reads best on it, at 4.81:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.81:1 |
| White text | 4.35:1 |
Values
| HEX | #087ADB |
| RGB | rgb(8, 122, 219) |
| HSL | hsl(208, 93%, 45%) |
| OKLCH | oklch(57.8% 0.172 252.5) |
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 #087ADB | 4.35:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #087ADB | 4.81:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #087ADB text on white | 4.35:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #087ADB text on black | 4.81:1 | AA | Lc -32.2 | 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 600.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C5DCF6
oklch(88.6% 0.044 251.5)
-
Step 300
300
#9DC4F2
oklch(80.8% 0.078 252.9)
-
Step 400
400
#65A4EC
oklch(70.7% 0.125 252.8)
-
Step 500
500
#358CE6
oklch(63.2% 0.158 252.4)
-
Step 600
600 (this color)
#087ADB
oklch(57.8% 0.172 252.5)
-
Step 700
700
#0061B1
oklch(49.1% 0.148 252.3)
-
Step 800
800
#004F93
oklch(42.7% 0.13 252.6)
-
Step 900
900
#0D4276
oklch(37.6% 0.103 252.5)
-
Step 950
950
#0B2745
oklch(26.9% 0.065 252.8)
#087ADB 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) | #4582DF | 0.042 |
| Deuteranopia (no green cones) | #1471D9 | 0.023 |
| Tritanopia (no blue cones) | #0092A0 | 0.127 |
| Achromatopsia (no color) | #797979 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #087ADB
#087ADB
oklch(57.8% 0.172 252.5)
- #A56C00
#A56C00
oklch(57.8% 0.123 72.9)
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 #087ADB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.044
- Windows Blue #3778BF ΔE 0.045
- Water Blue #0E87CC ΔE 0.046
- Royal Blue #4169E1 ΔE 0.050
- Clear Blue #247AFD ΔE 0.053
- Dark Sky Blue #448EE4 ΔE 0.067
- Nice Blue #107AB0 ΔE 0.067
- Mid Blue #276AB3 ΔE 0.069
Use #087ADB 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.