#4F9ECD
Closest named color: Faded Blue (#658CBB). oklch(66.9% 0.104 237.3), rgb(79, 158, 205).
Aa
Black text reads best on this color (7.10:1).
About this color
#4F9ECD is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.104 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.051 away. Black text reads best on it, at 7.10:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.10:1 |
| White text | 2.95:1 |
Values
| HEX | #4F9ECD |
| RGB | rgb(79, 158, 205) |
| HSL | hsl(202, 56%, 56%) |
| OKLCH | oklch(66.9% 0.104 237.3) |
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 #4F9ECD | 2.95:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #4F9ECD | 7.10:1 | AAA | Lc 48.2 | Large or bold text, headings |
| #4F9ECD text on white | 2.95:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #4F9ECD text on black | 7.10:1 | AAA | Lc -45.9 | Large or bold text, headings |
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 500.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DCEA
oklch(88.4% 0.029 238.3)
-
Step 300
300
#A2C6DE
oklch(80.8% 0.051 237.5)
-
Step 400
400
#6EA8CD
oklch(70.6% 0.081 237.5)
-
Step 500
500 (this color)
#4F9ECD
oklch(66.9% 0.104 237.3)
-
Step 600
600
#1A7CAD
oklch(55.6% 0.113 237)
-
Step 700
700
#076895
oklch(49.1% 0.106 237.6)
-
Step 800
800
#0E5579
oklch(42.7% 0.088 237.5)
-
Step 900
900
#174661
oklch(37.6% 0.068 237.9)
-
Step 950
950
#0F2939
oklch(26.9% 0.044 238.4)
#4F9ECD 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) | #889DCF | 0.061 |
| Deuteranopia (no green cones) | #7790CC | 0.052 |
| Tritanopia (no blue cones) | #00AAAE | 0.074 |
| Achromatopsia (no color) | #969696 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F9ECD
#4F9ECD
oklch(66.9% 0.104 237.3)
- #C58452
#C58452
oklch(66.9% 0.104 57.4)
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 #4F9ECD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.051
- Greyblue #77A1B5 ΔE 0.054
- Chefchaouen Blue #4895EF ΔE 0.063
- Cornflower Blue #6495ED ΔE 0.063
- Turquoise Blue #06B1C4 ΔE 0.064
- Dark Sky Blue #448EE4 ΔE 0.064
- Silver Lake Blue #778DA9 ΔE 0.067
- Cadet Blue #5F9EA0 ΔE 0.069
Use #4F9ECD 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.