#154C63
Closest named color: Dark Grey Blue (#29465B). oklch(39.2% 0.068 230.3), rgb(21, 76, 99).
Aa
White text reads best on this color (9.35:1).
About this color
#154C63 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.068 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.024 away. White text reads best on it, at 9.35:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.35:1 |
Values
| HEX | #154C63 |
| RGB | rgb(21, 76, 99) |
| HSL | hsl(198, 65%, 24%) |
| OKLCH | oklch(39.2% 0.068 230.3) |
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 #154C63 | 9.35:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #154C63 | 2.24:1 | Fails | Lc 12.6 | Not readable |
| #154C63 text on white | 9.35:1 | AAA | Lc 91.3 | Preferred for body text |
| #154C63 text on black | 2.24:1 | Fails | Lc -11.0 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C7DDE8
oklch(88.5% 0.028 229.2)
-
Step 300
300
#A0C7DC
oklch(80.8% 0.051 231.7)
-
Step 400
400
#69AACA
oklch(70.7% 0.081 230.8)
-
Step 500
500
#3995BC
oklch(63.2% 0.103 229.8)
-
Step 600
600
#007EA8
oklch(55.6% 0.112 230.6)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900 (this color)
#154C63
oklch(39.2% 0.068 230.3)
-
Step 950
950
#0C2A37
oklch(26.9% 0.043 229.9)
#154C63 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) | #404B64 | 0.046 |
| Deuteranopia (no green cones) | #364363 | 0.041 |
| Tritanopia (no blue cones) | #005254 | 0.038 |
| Achromatopsia (no color) | #474747 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #154C63
#154C63
oklch(39.2% 0.068 230.3)
- #623A22
#623A22
oklch(39.1% 0.068 50.7)
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 #154C63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.024
- Charcoal #264653 ΔE 0.030
- Deep Teal #00555A ΔE 0.038
- Dark Teal #014D4E ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.053
- Twilight Blue #0A437A ΔE 0.054
- Light Navy #155084 ΔE 0.055
Use #154C63 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.