#145F9C
Closest named color: Peacock Blue (#016795). oklch(47.5% 0.12 248.9), rgb(20, 95, 156).
Aa
White text reads best on this color (6.67:1).
About this color
#145F9C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.120 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.028 away. White text reads best on it, at 6.67:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.14:1 |
| White text | 6.67:1 |
Values
| HEX | #145F9C |
| RGB | rgb(20, 95, 156) |
| HSL | hsl(207, 77%, 35%) |
| OKLCH | oklch(47.5% 0.12 248.9) |
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 #145F9C | 6.67:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #145F9C | 3.14:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #145F9C text on white | 6.67:1 | AA | Lc 82.5 | Fine for body text |
| #145F9C text on black | 3.14:1 | AA large text | Lc -19.4 | Dividers and decoration only |
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 700.
-
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
#C9DBEE
oklch(88.4% 0.033 249.6)
-
Step 300
300
#A4C4E5
oklch(80.8% 0.058 249.3)
-
Step 400
400
#72A5D8
oklch(70.6% 0.093 249.3)
-
Step 500
500
#4A8ECE
oklch(63.1% 0.119 249)
-
Step 600
600
#2977BB
oklch(55.6% 0.129 248.9)
-
Step 700
700 (this color)
#145F9C
oklch(47.5% 0.12 248.9)
-
Step 800
800
#195283
oklch(42.8% 0.1 248.7)
-
Step 900
900
#1C4469
oklch(37.7% 0.078 249.1)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#145F9C 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) | #41639E | 0.040 |
| Deuteranopia (no green cones) | #2C579B | 0.025 |
| Tritanopia (no blue cones) | #006E76 | 0.087 |
| Achromatopsia (no color) | #5C5C5C | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #145F9C
#145F9C
oklch(47.5% 0.12 248.9)
- #814F00
#814F00
oklch(47.4% 0.104 68.6)
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 #145F9C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.028
- Denim Blue #3B5B92 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.035
- Dusk Blue #26538D ΔE 0.038
- Denim #3B638C ΔE 0.042
- Dusky Blue #475F94 ΔE 0.045
- Mid Blue #276AB3 ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.052
Use #145F9C 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.