#618CBD
Closest named color: Faded Blue (#658CBB). oklch(62.9% 0.088 252.4), rgb(97, 140, 189).
Aa
Black text reads best on this color (5.99:1).
About this color
#618CBD is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.088 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.005 away. Black text reads best on it, at 5.99:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.99:1 |
| White text | 3.50:1 |
Values
| HEX | #618CBD |
| RGB | rgb(97, 140, 189) |
| HSL | hsl(212, 41%, 56%) |
| OKLCH | oklch(62.9% 0.088 252.4) |
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 #618CBD | 3.50:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #618CBD | 5.99:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #618CBD text on white | 3.50:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #618CBD text on black | 5.99:1 | AA | Lc -39.2 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CEDBE9
oklch(88.6% 0.024 250.1)
-
Step 300
300
#ADC3DC
oklch(80.9% 0.043 251.7)
-
Step 400
400
#82A4CB
oklch(70.8% 0.069 252.2)
-
Step 500
500 (this color)
#618CBD
oklch(62.9% 0.088 252.4)
-
Step 600
600
#4876AA
oklch(55.6% 0.096 252.6)
-
Step 700
700
#396392
oklch(49.1% 0.089 252.5)
-
Step 800
800
#305176
oklch(42.7% 0.073 252.4)
-
Step 900
900
#2A435F
oklch(37.6% 0.057 252.1)
-
Step 950
950
#192738
oklch(26.9% 0.037 253.8)
#618CBD 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) | #798EBF | 0.031 |
| Deuteranopia (no green cones) | #6D85BC | 0.022 |
| Tritanopia (no blue cones) | #38979D | 0.076 |
| Achromatopsia (no color) | #898989 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618CBD
#618CBD
oklch(62.9% 0.088 252.4)
- #AA804A
#AA804A
oklch(62.9% 0.088 72)
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 #618CBD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.005
- Dusty Blue #5A86AD ΔE 0.029
- Off Blue #5684AE ΔE 0.033
- Cool Blue #4984B8 ΔE 0.036
- Silver Lake Blue #778DA9 ΔE 0.040
- Steel Blue #4682B4 ΔE 0.044
- Blue Grey #758DA3 ΔE 0.046
- Light Slate Gray #778899 ΔE 0.057
Use #618CBD 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.