#12606B
Closest named color: Petrol (#005F6A). oklch(45% 0.072 209.4), rgb(18, 96, 107).
Aa
White text reads best on this color (7.21:1).
About this color
#12606B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 45%, its chroma 0.072 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.007 away. White text reads best on it, at 7.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.91:1 |
| White text | 7.21:1 |
Values
| HEX | #12606B |
| RGB | rgb(18, 96, 107) |
| HSL | hsl(187, 71%, 25%) |
| OKLCH | oklch(45% 0.072 209.4) |
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 #12606B | 7.21:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #12606B | 2.91:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #12606B text on white | 7.21:1 | AAA | Lc 84.7 | Fine for body text |
| #12606B text on black | 2.91:1 | Fails | Lc -17.3 | 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 800.
-
Step 50
50
#F1F6F7
oklch(97% 0.005 211)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C8DEE1
oklch(88.5% 0.024 206.6)
-
Step 300
300
#A2C9CF
oklch(81% 0.042 207.8)
-
Step 400
400
#6CADB7
oklch(70.8% 0.068 208.1)
-
Step 500
500
#3F98A6
oklch(63.2% 0.086 209.4)
-
Step 600
600
#0C8291
oklch(55.6% 0.094 209.3)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800 (this color)
#12606B
oklch(45% 0.072 209.4)
-
Step 900
900
#144A52
oklch(37.8% 0.056 209.2)
-
Step 950
950
#0E2B30
oklch(27% 0.036 210.5)
#12606B 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) | #565C6C | 0.068 |
| Deuteranopia (no green cones) | #4A536B | 0.062 |
| Tritanopia (no blue cones) | #006563 | 0.025 |
| Achromatopsia (no color) | #575757 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12606B
#12606B
oklch(45% 0.072 209.4)
- #78453D
#78453D
oklch(44.9% 0.072 29.7)
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 #12606B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.007
- Dark Aqua #05696B ΔE 0.029
- Dark Green Blue #1F6357 ΔE 0.038
- Deep Teal #00555A ΔE 0.042
- YInMn Blue #415A77 ΔE 0.051
- Deep Turquoise #017374 ΔE 0.058
- Dark Aquamarine #017371 ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.060
Use #12606B 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.