#12708A
Closest named color: Sea Blue (#047495). oklch(50.7% 0.089 222.5), rgb(18, 112, 138).
Aa
White text reads best on this color (5.65:1).
About this color
#12708A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.089 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.018 away. White text reads best on it, at 5.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #12708A |
| RGB | rgb(18, 112, 138) |
| HSL | hsl(193, 77%, 31%) |
| OKLCH | oklch(50.7% 0.089 222.5) |
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 #12708A | 5.65:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #12708A | 3.71:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #12708A text on white | 5.65:1 | AA | Lc 77.9 | Fine for body text |
| #12708A text on black | 3.71:1 | AA large text | Lc -23.9 | 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
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300
#A3C7D5
oklch(80.8% 0.043 223.5)
-
Step 400
400
#6FABC0
oklch(70.8% 0.069 222.1)
-
Step 500
500
#4495B0
oklch(63% 0.088 222.8)
-
Step 600
600
#1B7F9C
oklch(55.6% 0.096 222.9)
-
Step 700
700 (this color)
#12708A
oklch(50.7% 0.089 222.5)
-
Step 800
800
#0F586C
oklch(42.8% 0.074 221.7)
-
Step 900
900
#174858
oklch(37.7% 0.058 223.4)
-
Step 950
950
#102A33
oklch(26.9% 0.036 223.3)
#12708A 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) | #616D8B | 0.071 |
| Deuteranopia (no green cones) | #52628A | 0.063 |
| Tritanopia (no blue cones) | #007878 | 0.044 |
| Achromatopsia (no color) | #676767 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12708A
#12708A
oklch(50.7% 0.089 222.5)
- #90533A
#90533A
oklch(50.8% 0.09 42.7)
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 #12708A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.018
- Ocean Blue #03719C ΔE 0.029
- Ocean #017B92 ΔE 0.032
- Deep Aqua #08787F ΔE 0.035
- Peacock Blue #016795 ΔE 0.037
- Deep Turquoise #017374 ΔE 0.041
- Muted Blue #3B719F ΔE 0.045
- Denim #3B638C ΔE 0.045
Use #12708A 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.