#23497E
Closest named color: Light Navy (#155084). oklch(40.6% 0.099 257.2), rgb(35, 73, 126).
Aa
White text reads best on this color (9.02:1).
About this color
#23497E is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.099 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.022 away. White text reads best on it, at 9.02:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #23497E |
| RGB | rgb(35, 73, 126) |
| HSL | hsl(215, 57%, 32%) |
| OKLCH | oklch(40.6% 0.099 257.2) |
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 #23497E | 9.02:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #23497E | 2.32:1 | Fails | Lc 13.5 | Not readable |
| #23497E text on white | 9.02:1 | AAA | Lc 90.5 | Preferred for body text |
| #23497E text on black | 2.32:1 | Fails | Lc -11.8 | 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 800.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDAEF
oklch(88.4% 0.033 258.4)
-
Step 300
300
#A9C3E7
oklch(81% 0.058 256.6)
-
Step 400
400
#7BA3DA
oklch(70.8% 0.092 256.5)
-
Step 500
500
#598AD0
oklch(63% 0.119 257.4)
-
Step 600
600
#3E73BD
oklch(55.5% 0.129 257.1)
-
Step 700
700
#3060A3
oklch(49% 0.12 257.2)
-
Step 800
800 (this color)
#23497E
oklch(40.6% 0.099 257.2)
-
Step 900
900
#25426A
oklch(37.7% 0.077 256.8)
-
Step 950
950
#16273E
oklch(27% 0.049 256.3)
#23497E 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) | #304D80 | 0.020 |
| Deuteranopia (no green cones) | #22457D | 0.012 |
| Tritanopia (no blue cones) | #00555D | 0.078 |
| Achromatopsia (no color) | #494949 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23497E
#23497E
oklch(40.6% 0.099 257.2)
- #634200
#634200
oklch(40.6% 0.085 76.6)
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 #23497E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.022
- Twilight Blue #0A437A ΔE 0.028
- Cobalt #1E488F ΔE 0.029
- Deep Sea Blue #015482 ΔE 0.034
- Dusk Blue #26538D ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.062
Use #23497E 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.