#23778A
Closest named color: Ocean (#017B92). oklch(52.9% 0.082 216.3), rgb(35, 119, 138).
Aa
White text reads best on this color (5.15:1).
About this color
#23778A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.082 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.016 away. White text reads best on it, at 5.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #23778A |
| RGB | rgb(35, 119, 138) |
| HSL | hsl(191, 60%, 34%) |
| OKLCH | oklch(52.9% 0.082 216.3) |
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 #23778A | 5.15:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #23778A | 4.07:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #23778A text on white | 5.15:1 | AA | Lc 75.2 | Fine for body text |
| #23778A text on black | 4.07:1 | AA large text | Lc -26.5 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A7C7D0
oklch(80.9% 0.037 216.6)
-
Step 400
400
#75AAB9
oklch(70.6% 0.06 217.4)
-
Step 500
500
#4E95A7
oklch(63.1% 0.076 216.3)
-
Step 600
600 (this color)
#23778A
oklch(52.9% 0.082 216.3)
-
Step 700
700
#1E6B7D
oklch(49% 0.077 217)
-
Step 800
800
#1C5765
oklch(42.5% 0.064 216.6)
-
Step 900
900
#1E4852
oklch(37.6% 0.049 215.6)
-
Step 950
950
#132A30
oklch(26.9% 0.031 216.7)
#23778A 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) | #6A738B | 0.072 |
| Deuteranopia (no green cones) | #5C698A | 0.065 |
| Tritanopia (no blue cones) | #007E7D | 0.036 |
| Achromatopsia (no color) | #6D6D6D | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23778A
#23778A
oklch(52.9% 0.082 216.3)
- #955A49
#955A49
oklch(53% 0.083 36.9)
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 #23778A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.016
- Deep Aqua #08787F ΔE 0.023
- Sea Blue #047495 ΔE 0.024
- Bluegreen #017A79 ΔE 0.035
- Teal #008080 ΔE 0.037
- Deep Turquoise #017374 ΔE 0.039
- Ocean Blue #03719C ΔE 0.040
- Metallic Blue #4F738E ΔE 0.040
Use #23778A 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.