#154184
Closest named color: Twilight Blue (#0A437A). oklch(38.6% 0.123 259), rgb(21, 65, 132).
Aa
White text reads best on this color (9.90:1).
About this color
#154184 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.123 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.020 away. White text reads best on it, at 9.90:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.12:1 |
| White text | 9.90:1 |
Values
| HEX | #154184 |
| RGB | rgb(21, 65, 132) |
| HSL | hsl(216, 73%, 30%) |
| OKLCH | oklch(38.6% 0.123 259) |
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 #154184 | 9.90:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #154184 | 2.12:1 | Fails | Lc 11.4 | Not readable |
| #154184 text on white | 9.90:1 | AAA | Lc 92.5 | Preferred for body text |
| #154184 text on black | 2.12:1 | Fails | Lc -9.9 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C5DBFC
oklch(88.6% 0.051 258.4)
-
Step 300
300
#9DC2FC
oklch(80.8% 0.092 259.2)
-
Step 400
400
#66A0FB
oklch(70.6% 0.147 259.1)
-
Step 500
500
#3A85F9
oklch(63.1% 0.189 259.1)
-
Step 600
600
#126BE8
oklch(55.6% 0.205 259.1)
-
Step 700
700
#0158C9
oklch(49% 0.19 259.1)
-
Step 800
800
#0949A3
oklch(42.7% 0.158 259.1)
-
Step 900
900 (this color)
#154184
oklch(38.6% 0.123 259)
-
Step 950
950
#0C254C
oklch(27% 0.079 259.2)
#154184 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) | #194886 | 0.021 |
| Deuteranopia (no green cones) | #003E83 | 0.015 |
| Tritanopia (no blue cones) | #00515C | 0.094 |
| Achromatopsia (no color) | #434343 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #154184
#154184
oklch(38.6% 0.123 259)
- #5B3E00
#5B3E00
oklch(38.7% 0.08 78.8)
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 #154184, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.020
- Cobalt #1E488F ΔE 0.028
- Light Navy #155084 ΔE 0.044
- Marine Blue #01386A ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.056
- Dusk Blue #26538D ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.064
- Blueberry #464196 ΔE 0.067
Use #154184 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.