#12475A
Closest named color: Charcoal (#264653). oklch(37.3% 0.063 226.5), rgb(18, 71, 90).
Aa
White text reads best on this color (10.12:1).
About this color
#12475A is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.063 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.019 away. White text reads best on it, at 10.12:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.07:1 |
| White text | 10.12:1 |
Values
| HEX | #12475A |
| RGB | rgb(18, 71, 90) |
| HSL | hsl(196, 67%, 21%) |
| OKLCH | oklch(37.3% 0.063 226.5) |
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 #12475A | 10.12:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #12475A | 2.07:1 | Fails | Lc 10.7 | Not readable |
| #12475A text on white | 10.12:1 | AAA | Lc 93.2 | Preferred for body text |
| #12475A text on black | 2.07:1 | Fails | Lc -9.3 | Not readable |
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 900.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A1C7D8
oklch(80.8% 0.047 226.9)
-
Step 400
400
#6CABC5
oklch(70.8% 0.075 226.2)
-
Step 500
500
#3E95B6
oklch(63.1% 0.096 226.5)
-
Step 600
600
#0C7FA2
oklch(55.6% 0.104 226.3)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#055771
oklch(42.7% 0.081 227.2)
-
Step 900
900 (this color)
#12475A
oklch(37.3% 0.063 226.5)
-
Step 950
950
#0E2A35
oklch(26.9% 0.039 226.8)
#12475A 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) | #3D465B | 0.047 |
| Deuteranopia (no green cones) | #333E5A | 0.042 |
| Tritanopia (no blue cones) | #004D4D | 0.036 |
| Achromatopsia (no color) | #424242 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12475A
#12475A
oklch(37.3% 0.063 226.5)
- #5C3623
#5C3623
oklch(37.5% 0.062 46.8)
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 #12475A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.019
- Dark Grey Blue #29465B ΔE 0.020
- Dark Teal #014D4E ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.040
- Midnight Green #073B4C ΔE 0.044
- Deep Teal #00555A ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.047
- Dark Blue Green #005249 ΔE 0.054
Use #12475A 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.