#4F90BE
Closest named color: Faded Blue (#658CBB). oklch(62.9% 0.096 241.4), rgb(79, 144, 190).
Aa
Black text reads best on this color (6.06:1).
About this color
#4F90BE is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.096 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.023 away. Black text reads best on it, at 6.06:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.06:1 |
| White text | 3.46:1 |
Values
| HEX | #4F90BE |
| RGB | rgb(79, 144, 190) |
| HSL | hsl(205, 46%, 53%) |
| OKLCH | oklch(62.9% 0.096 241.4) |
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 #4F90BE | 3.46:1 | AA large text | Lc -67.5 | Content text, not long reading |
| Black text on #4F90BE | 6.06:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #4F90BE text on white | 3.46:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #4F90BE text on black | 6.06:1 | AA | Lc -39.7 | Non-text elements, placeholder text |
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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CBDCE9
oklch(88.6% 0.026 240.7)
-
Step 300
300
#A6C5DD
oklch(80.9% 0.048 241.5)
-
Step 400
400
#76A7CC
oklch(70.7% 0.075 241.7)
-
Step 500
500 (this color)
#4F90BE
oklch(62.9% 0.096 241.4)
-
Step 600
600
#307AAB
oklch(55.6% 0.105 241.4)
-
Step 700
700
#226793
oklch(49.2% 0.097 241.2)
-
Step 800
800
#1E5477
oklch(42.7% 0.081 241)
-
Step 900
900
#1F4560
oklch(37.6% 0.063 242.1)
-
Step 950
950
#132938
oklch(27% 0.04 240.2)
#4F90BE 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) | #7C90C0 | 0.051 |
| Deuteranopia (no green cones) | #6C85BD | 0.040 |
| Tritanopia (no blue cones) | #009BA0 | 0.074 |
| Achromatopsia (no color) | #8A8A8A | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F90BE
#4F90BE
oklch(62.9% 0.096 241.4)
- #B37B49
#B37B49
oklch(63% 0.096 61.4)
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 #4F90BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.023
- Dusty Blue #5A86AD ΔE 0.033
- Cool Blue #4984B8 ΔE 0.035
- Off Blue #5684AE ΔE 0.036
- Steel Blue #4682B4 ΔE 0.042
- Blue NCS #118AB2 ΔE 0.047
- Silver Lake Blue #778DA9 ΔE 0.050
- Blue Grey #758DA3 ΔE 0.054
Use #4F90BE 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.