#12708E
Closest named color: Sea Blue (#047495). oklch(50.9% 0.092 226), rgb(18, 112, 142).
Aa
White text reads best on this color (5.62:1).
About this color
#12708E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.092 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.014 away. White text reads best on it, at 5.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #12708E |
| RGB | rgb(18, 112, 142) |
| HSL | hsl(195, 78%, 31%) |
| OKLCH | oklch(50.9% 0.092 226) |
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 #12708E | 5.62:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #12708E | 3.73:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #12708E text on white | 5.62:1 | AA | Lc 77.7 | Fine for body text |
| #12708E text on black | 3.73:1 | AA large text | Lc -24.1 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A3C7D7
oklch(80.9% 0.045 226.7)
-
Step 400
400
#6FAAC3
oklch(70.7% 0.071 226.6)
-
Step 500
500
#4395B4
oklch(63.2% 0.092 225.9)
-
Step 600
600
#1A7FA0
oklch(55.7% 0.1 226)
-
Step 700
700 (this color)
#12708E
oklch(50.9% 0.092 226)
-
Step 800
800
#0E576F
oklch(42.7% 0.077 226.2)
-
Step 900
900
#17485A
oklch(37.8% 0.06 226.2)
-
Step 950
950
#0F2A35
oklch(27% 0.038 227.5)
#12708E 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) | #606E8F | 0.069 |
| Deuteranopia (no green cones) | #50638E | 0.059 |
| Tritanopia (no blue cones) | #00797A | 0.049 |
| Achromatopsia (no color) | #676767 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12708E
#12708E
oklch(50.9% 0.092 226)
- #915436
#915436
oklch(51% 0.092 46.2)
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 #12708E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.014
- Ocean Blue #03719C ΔE 0.022
- Ocean #017B92 ΔE 0.032
- Peacock Blue #016795 ΔE 0.033
- Deep Aqua #08787F ΔE 0.040
- Muted Blue #3B719F ΔE 0.040
- Denim #3B638C ΔE 0.043
- Deep Turquoise #017374 ΔE 0.047
Use #12708E 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.