#02688F
Closest named color: Peacock Blue (#016795). oklch(48.7% 0.1 233.3), rgb(2, 104, 143).
Aa
White text reads best on this color (6.21:1).
About this color
#02688F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.100 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.011 away. White text reads best on it, at 6.21:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.37:1 |
| White text | 6.21:1 |
Values
| HEX | #02688F |
| RGB | rgb(2, 104, 143) |
| HSL | hsl(197, 97%, 28%) |
| OKLCH | oklch(48.7% 0.1 233.3) |
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 #02688F | 6.21:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #02688F | 3.37:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #02688F text on white | 6.21:1 | AA | Lc 80.4 | Fine for body text |
| #02688F text on black | 3.37:1 | AA large text | Lc -21.4 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE8
oklch(88.6% 0.026 231.7)
-
Step 300
300
#A2C7DB
oklch(80.9% 0.049 231.7)
-
Step 400
400
#6EA9CA
oklch(70.7% 0.078 233.9)
-
Step 500
500
#4293BC
oklch(63% 0.1 233.5)
-
Step 600
600
#197DA8
oklch(55.6% 0.108 233.2)
-
Step 700
700 (this color)
#02688F
oklch(48.7% 0.1 233.3)
-
Step 800
800
#0E5675
oklch(42.7% 0.083 233.2)
-
Step 900
900
#16475E
oklch(37.7% 0.065 232.7)
-
Step 950
950
#0F2A37
oklch(27.1% 0.041 231.9)
#02688F 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) | #546791 | 0.062 |
| Deuteranopia (no green cones) | #435C8E | 0.051 |
| Tritanopia (no blue cones) | #007275 | 0.060 |
| Achromatopsia (no color) | #616161 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02688F
#02688F
oklch(48.7% 0.1 233.3)
- #8B4E22
#8B4E22
oklch(48.8% 0.1 53.5)
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 #02688F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.011
- Ocean Blue #03719C ΔE 0.031
- Denim #3B638C ΔE 0.033
- Sea Blue #047495 ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.049
- Muted Blue #3B719F ΔE 0.051
- Dusky Blue #475F94 ΔE 0.053
Use #02688F 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.