#154E69
Closest named color: Dark Grey Blue (#29465B). oklch(40.1% 0.073 233.7), rgb(21, 78, 105).
Aa
White text reads best on this color (9.02:1).
About this color
#154E69 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.073 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.031 away. White text reads best on it, at 9.02:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #154E69 |
| RGB | rgb(21, 78, 105) |
| HSL | hsl(199, 67%, 25%) |
| OKLCH | oklch(40.1% 0.073 233.7) |
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 #154E69 | 9.02:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #154E69 | 2.32:1 | Fails | Lc 13.5 | Not readable |
| #154E69 text on white | 9.02:1 | AAA | Lc 90.4 | Preferred for body text |
| #154E69 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 900.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C6DDEA
oklch(88.4% 0.03 232.5)
-
Step 300
300
#9EC7DF
oklch(80.8% 0.055 234)
-
Step 400
400
#66AACF
oklch(70.7% 0.088 233.7)
-
Step 500
500
#3494C2
oklch(63.1% 0.111 233.5)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900 (this color)
#154E69
oklch(40.1% 0.073 233.7)
-
Step 950
950
#0B2A39
oklch(27% 0.045 233.1)
#154E69 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) | #414D6A | 0.046 |
| Deuteranopia (no green cones) | #354569 | 0.039 |
| Tritanopia (no blue cones) | #005557 | 0.045 |
| Achromatopsia (no color) | #494949 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #154E69
#154E69
oklch(40.1% 0.073 233.7)
- #663C1F
#663C1F
oklch(40.1% 0.073 53.6)
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 #154E69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.031
- Charcoal #264653 ΔE 0.040
- Deep Teal #00555A ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.042
- Light Navy #155084 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.049
- Dark Teal #014D4E ΔE 0.049
- Twilight Blue #0A437A ΔE 0.050
Use #154E69 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.