#4297BF
Closest named color: Faded Blue (#658CBB). oklch(64.1% 0.101 231.8), rgb(66, 151, 191).
Aa
Black text reads best on this color (6.41:1).
About this color
#4297BF is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.101 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.040 away. Black text reads best on it, at 6.41:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.41:1 |
| White text | 3.27:1 |
Values
| HEX | #4297BF |
| RGB | rgb(66, 151, 191) |
| HSL | hsl(199, 49%, 50%) |
| OKLCH | oklch(64.1% 0.101 231.8) |
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 #4297BF | 3.27:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #4297BF | 6.41:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #4297BF text on white | 3.27:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #4297BF text on black | 6.41:1 | AA | Lc -41.9 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A1C7DB
oklch(80.9% 0.049 231.1)
-
Step 400
400
#6CAAC9
oklch(70.8% 0.078 231.1)
-
Step 500
500 (this color)
#4297BF
oklch(64.1% 0.101 231.8)
-
Step 600
600
#0F7EA8
oklch(55.7% 0.109 231.4)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#065675
oklch(42.6% 0.085 232.2)
-
Step 900
900
#14475E
oklch(37.6% 0.066 232.1)
-
Step 950
950
#0E2A37
oklch(27% 0.041 231.2)
#4297BF 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) | #8395C1 | 0.068 |
| Deuteranopia (no green cones) | #7288BE | 0.059 |
| Tritanopia (no blue cones) | #00A2A4 | 0.065 |
| Achromatopsia (no color) | #8E8E8E | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4297BF
#4297BF
oklch(64.1% 0.101 231.8)
- #BD7A51
#BD7A51
oklch(64.1% 0.101 51.6)
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 #4297BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.050
- Blue NCS #118AB2 ΔE 0.051
- Cool Blue #4984B8 ΔE 0.053
- Off Blue #5684AE ΔE 0.053
- Steel Blue #4682B4 ΔE 0.058
- Silver Lake Blue #778DA9 ΔE 0.059
- Blue Grey #758DA3 ΔE 0.061
Use #4297BF 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.