#154C65
Closest named color: Dark Grey Blue (#29465B). oklch(39.4% 0.07 232.5), rgb(21, 76, 101).
Aa
White text reads best on this color (9.31:1).
About this color
#154C65 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.070 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.025 away. White text reads best on it, at 9.31:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.25:1 |
| White text | 9.31:1 |
Values
| HEX | #154C65 |
| RGB | rgb(21, 76, 101) |
| HSL | hsl(199, 66%, 24%) |
| OKLCH | oklch(39.4% 0.07 232.5) |
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 #154C65 | 9.31:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #154C65 | 2.25:1 | Fails | Lc 12.7 | Not readable |
| #154C65 text on white | 9.31:1 | AAA | Lc 91.2 | Preferred for body text |
| #154C65 text on black | 2.25:1 | Fails | Lc -11.1 | 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
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C7DDE9
oklch(88.5% 0.029 231.5)
-
Step 300
300
#A0C7DD
oklch(80.9% 0.052 233)
-
Step 400
400
#68AACC
oklch(70.7% 0.084 232.1)
-
Step 500
500
#3894BF
oklch(63.1% 0.107 232.4)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900 (this color)
#154C65
oklch(39.4% 0.07 232.5)
-
Step 950
950
#0C2A38
oklch(27% 0.044 231.9)
#154C65 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) | #404B66 | 0.046 |
| Deuteranopia (no green cones) | #354365 | 0.040 |
| Tritanopia (no blue cones) | #005354 | 0.044 |
| Achromatopsia (no color) | #474747 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #154C65
#154C65
oklch(39.4% 0.07 232.5)
- #633A20
#633A20
oklch(39.2% 0.07 51.8)
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 #154C65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.025
- Charcoal #264653 ΔE 0.032
- Deep Teal #00555A ΔE 0.040
- Dark Teal #014D4E ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.049
- Twilight Blue #0A437A ΔE 0.051
- Light Navy #155084 ΔE 0.052
Use #154C65 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.