#154B7E
Closest named color: Light Navy (#155084). oklch(40.6% 0.102 251), rgb(21, 75, 126).
Aa
White text reads best on this color (8.97:1).
About this color
#154B7E is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.102 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.017 away. White text reads best on it, at 8.97:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.33:1 |
| White text | 8.97:1 |
Values
| HEX | #154B7E |
| RGB | rgb(21, 75, 126) |
| HSL | hsl(209, 71%, 29%) |
| OKLCH | oklch(40.6% 0.102 251) |
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 #154B7E | 8.97:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #154B7E | 2.33:1 | Fails | Lc 13.8 | Not readable |
| #154B7E text on white | 8.97:1 | AAA | Lc 90.2 | Preferred for body text |
| #154B7E text on black | 2.33:1 | Fails | Lc -12.1 | 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 800.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300
#A5C4E6
oklch(80.9% 0.059 250.9)
-
Step 400
400
#73A5DA
oklch(70.7% 0.095 250.7)
-
Step 500
500
#4C8DD0
oklch(63% 0.122 251)
-
Step 600
600
#2D76BD
oklch(55.6% 0.132 251)
-
Step 700
700
#1E63A3
oklch(49.1% 0.123 250.7)
-
Step 800
800 (this color)
#154B7E
oklch(40.6% 0.102 251)
-
Step 900
900
#1D436A
oklch(37.6% 0.08 251.3)
-
Step 950
950
#12283E
oklch(27.1% 0.05 250.2)
#154B7E 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) | #324E80 | 0.029 |
| Deuteranopia (no green cones) | #22457D | 0.018 |
| Tritanopia (no blue cones) | #00575E | 0.075 |
| Achromatopsia (no color) | #494949 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #154B7E
#154B7E
oklch(40.6% 0.102 251)
- #664000
#664000
oklch(40.6% 0.087 71.6)
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 #154B7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.017
- Twilight Blue #0A437A ΔE 0.026
- Deep Sea Blue #015482 ΔE 0.026
- Cobalt #1E488F ΔE 0.032
- Dusk Blue #26538D ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.059
- Marine Blue #01386A ΔE 0.067
Use #154B7E 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.