#12618B
Closest named color: Peacock Blue (#016795). oklch(46.9% 0.098 238.7), rgb(18, 97, 139).
Aa
White text reads best on this color (6.75:1).
About this color
#12618B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.098 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.021 away. White text reads best on it, at 6.75:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.10:1 |
| White text | 6.75:1 |
Values
| HEX | #12618B |
| RGB | rgb(18, 97, 139) |
| HSL | hsl(201, 77%, 31%) |
| OKLCH | oklch(46.9% 0.098 238.7) |
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 #12618B | 6.75:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #12618B | 3.10:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #12618B text on white | 6.75:1 | AA | Lc 82.9 | Fine for body text |
| #12618B text on black | 3.10:1 | AA large text | Lc -19.1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300
#A5C6DC
oklch(81% 0.047 237.4)
-
Step 400
400
#73A8CB
oklch(70.8% 0.076 238.2)
-
Step 500
500
#4C91BE
oklch(63% 0.097 239.4)
-
Step 600
600
#2A7BAA
oklch(55.6% 0.106 238.7)
-
Step 700
700 (this color)
#12618B
oklch(46.9% 0.098 238.7)
-
Step 800
800
#1A5476
oklch(42.6% 0.081 239)
-
Step 900
900
#1D465F
oklch(37.7% 0.063 238.4)
-
Step 950
950
#122938
oklch(27% 0.04 239.2)
#12618B 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) | #4D618D | 0.053 |
| Deuteranopia (no green cones) | #3D578A | 0.041 |
| Tritanopia (no blue cones) | #006C70 | 0.064 |
| Achromatopsia (no color) | #5B5B5B | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12618B
#12618B
oklch(46.9% 0.098 238.7)
- #824B18
#824B18
oklch(46.9% 0.098 58.8)
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 #12618B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.021
- Light Navy Blue #2E5A88 ΔE 0.025
- Denim #3B638C ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.042
- Dusk Blue #26538D ΔE 0.043
- YInMn Blue #415A77 ΔE 0.046
- Dusky Blue #475F94 ΔE 0.048
Use #12618B 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.