#4098BD
Closest named color: Faded Blue (#658CBB). oklch(64.2% 0.1 229), rgb(64, 152, 189).
Aa
Black text reads best on this color (6.44:1).
About this color
#4098BD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.100 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.044 away. Black text reads best on it, at 6.44:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.44:1 |
| White text | 3.25:1 |
Values
| HEX | #4098BD |
| RGB | rgb(64, 152, 189) |
| HSL | hsl(198, 49%, 50%) |
| OKLCH | oklch(64.2% 0.1 229) |
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 #4098BD | 3.25:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #4098BD | 6.44:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #4098BD text on white | 3.25:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #4098BD text on black | 6.44:1 | AA | Lc -42.1 | 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
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A1C7DA
oklch(80.8% 0.049 229.7)
-
Step 400
400
#6BAAC8
oklch(70.7% 0.078 229.8)
-
Step 500
500 (this color)
#4098BD
oklch(64.2% 0.1 229)
-
Step 600
600
#067EA6
oklch(55.5% 0.109 229.6)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#025773
oklch(42.7% 0.083 228.8)
-
Step 900
900
#12485D
oklch(37.8% 0.065 228.7)
-
Step 950
950
#0D2A36
oklch(26.9% 0.041 228.4)
#4098BD 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) | #8596BF | 0.071 |
| Deuteranopia (no green cones) | #7489BD | 0.062 |
| Tritanopia (no blue cones) | #00A2A4 | 0.060 |
| Achromatopsia (no color) | #8E8E8E | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4098BD
#4098BD
oklch(64.2% 0.1 229)
- #BE7A54
#BE7A54
oklch(64.3% 0.1 49.5)
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 #4098BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.044
- Blue NCS #118AB2 ΔE 0.051
- Dusty Blue #5A86AD ΔE 0.052
- Off Blue #5684AE ΔE 0.056
- Cool Blue #4984B8 ΔE 0.056
- Cadet Blue #5F9EA0 ΔE 0.057
- Silver Lake Blue #778DA9 ΔE 0.060
- Blue Grey #758DA3 ΔE 0.061
Use #4098BD 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.