#154458
Closest named color: Charcoal (#264653). oklch(36.5% 0.06 230), rgb(21, 68, 88).
Aa
White text reads best on this color (10.50:1).
About this color
#154458 is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.060 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.020 away. White text reads best on it, at 10.50:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.99:1 |
| White text | 10.50:1 |
Values
| HEX | #154458 |
| RGB | rgb(21, 68, 88) |
| HSL | hsl(198, 61%, 21%) |
| OKLCH | oklch(36.5% 0.06 230) |
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 #154458 | 10.50:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #154458 | 1.99:1 | Fails | Lc 9.8 | Not readable |
| #154458 text on white | 10.50:1 | AAA | Lc 94.1 | Preferred for body text |
| #154458 text on black | 1.99:1 | Fails | Lc -8.4 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A4C7D9
oklch(81% 0.045 230.4)
-
Step 400
400
#70A9C5
oklch(70.6% 0.072 230.4)
-
Step 500
500
#4694B7
oklch(63.2% 0.093 230)
-
Step 600
600
#207DA3
oklch(55.5% 0.101 230.8)
-
Step 700
700
#0F6A8B
oklch(49.2% 0.093 229.5)
-
Step 800
800
#135671
oklch(42.6% 0.077 230.4)
-
Step 900
900 (this color)
#154458
oklch(36.5% 0.06 230)
-
Step 950
950
#102A36
oklch(27.1% 0.039 230.5)
#154458 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) | #3A4359 | 0.042 |
| Deuteranopia (no green cones) | #313C58 | 0.037 |
| Tritanopia (no blue cones) | #004A4B | 0.036 |
| Achromatopsia (no color) | #3F3F3F | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #154458
#154458
oklch(36.5% 0.06 230)
- #583420
#583420
oklch(36.4% 0.061 49.1)
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 #154458, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.020
- Dark Grey Blue #29465B ΔE 0.022
- Dark Blue Grey #1F3B4D ΔE 0.031
- Midnight Green #073B4C ΔE 0.036
- Dark Teal #014D4E ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.048
- Onyx #343A40 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.053
Use #154458 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.